
<div class="control-group">
    <label class="control-label">网络图片：</label>
    <div class="controls">
        <input type="text" name="attachment_url" class="get-web-img-input js-web-img-input" placeholder="请贴入网络图片地址">
        <input type="button" class="btn js-preview-img" data-loading-text="提取..." value="提取" / >
    </div>
    <div class="controls preview-container js-preview-download-img">
    </div>
</div>